didactyl

例句：

1. 1. The teacher used didactic methods to teach the class.
   老师使用教学法来教课。
2. 2.Didactic literature is often criticized for its lack of creativity.
   教条式文学常常因其缺乏创造力而受到批评。
3. 3. Didactic speeches are often delivered with a heavy emphasis on facts and figures.
   讲演往往强调事实和数字。